You can't catch Rayquaza, but you can transfer it from the Transfer Lab or you can trade for one.
You can't, the only way to get Rayquaza is to either Migrate it or Trade it.
No, it is exclusive to Pokemon White. Where you would catch Rufflet in White, you catch Vullaby in Black.
In Pokemon black you catch RESHIRAM and TORNADUS In Pokemon white you catch ZEKROM and THUNDERUS Sources : myself
You can't catch it in Black, but you can catch it in White. In the White Forest.
Rayquaza, shiny or regular, is not able to be caught in fifth generation. You need to transfer such a Pokemon from another ganeration, if you have one sitting on a different game.
You can not catch Braviary. You have to catch Rufflet in Pokemon White and evolve it.
It is exclusive to Pokemon White, you can't catch it in Pokemon Black. You would need to trade with someone who has white.
you cant catch rayquaza in Pokemon black
Sky Pillar
You can't catch it in Pokemon Black. You'll need to trade for it from Pokemon White.
You cannot catch Thundurus in Pokemon Black, he is exclusive to Pokemon White.
In black you can catch Reshiram and tornados. In white you can catch Zekrom and thunderos.